8129120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:132

約数の個数: 72

約数和(自身を含む): 20475504

約数和(自身を除く): 12346384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 80, 92, 94, 115, 160, 184, 188, 230, 235, 368, 376, 460, 470, 736, 752, 920, 940, 1081, 1504, 1840, 1880, 2162, 2209, 3680, 3760, 4324, 4418, 5405, 7520, 8648, 8836, 10810, 11045, 17296, 17672, 21620, 22090, 34592, 35344, 43240, 44180, 50807, 70688, 86480, 88360, 101614, 172960, 176720, 203228, 254035, 353440, 406456, 508070, 812912, 1016140, 1625824, 2032280, 4064560, 8129120]

約数ペア:

[(1, 8129120), (2, 4064560), (4, 2032280), (5, 1625824), (8, 1016140), (10, 812912), (16, 508070), (20, 406456), (23, 353440), (32, 254035), (40, 203228), (46, 176720), (47, 172960), (80, 101614), (92, 88360), (94, 86480), (115, 70688), (160, 50807), (184, 44180), (188, 43240), (230, 35344), (235, 34592), (368, 22090), (376, 21620), (460, 17672), (470, 17296), (736, 11045), (752, 10810), (920, 8836), (940, 8648), (1081, 7520), (1504, 5405), (1840, 4418), (1880, 4324), (2162, 3760), (2209, 3680)]